op 	 {
  name: "RiscWhile"
  input_arg {
    name: "input"
    type_list_attr: "T"
  }
  output_arg {
    name: "output"
    type_list_attr: "T"
  }
  attr {
    name: "T"
    type: "list(type)"
    has_minimum: true
  }
  attr {
    name: "cond"
    type: "func"
  }
  attr {
    name: "body"
    type: "func"
  }
  attr {
    name: "output_shapes"
    type: "list(shape)"
    default_value {
      list {
      }
    }
  }
  attr {
    name: "parallel_iterations"
    type: "int"
    default_value {
      i: 10
    }
  }
  is_stateful: true
}
